RATING CERTIFICATE
Sail number : 66

YACHT DESCRIPTION

Name of Yacht: MISCHIEF Photo 1 - Photo 2...
Request date : 2019-07-25
Launch year :2009
Designer : R.Dongay
Design year : 1997
Builder : cornish crabbers
Class name : Cornish Crabber 22
Usual place of sailing : dartmouth

Declared dimensions :
Lenght Over All (LH) = 6.70 m
Length on the Water Line (LWL) = 6.29 m
Max width (BH) = 2.52 m
Draft (TE) = 1.50 m
TEDB (Centerboarder) = 0.72 m
Displacement factor (FD) = 2.624


Correction factor calculation

Type of rigging : gaffer cutter = 0.98
Hull: ballasted centerboarder
C2 = -0.2 Kref = 0.211
C2a : 0.055
Performance group : (4)Cruiser = -0.14
Vintage bonus (build): 2009 = 0.085
Vintage bonus (design): 1997 = 0.068
Cumulative vintage bonus: 0.153
Hull material : other = 0.05
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom penality : 0
No mast change = 0
No spar change = 0
Sails material : type 2 = 0
Propeller type : orientable ou repliable = -0.03
Winches ? : with = 0

Correction factor (C)= 0.868

GAFFERS
Foresail area: 13.71 mē
StaysailHLU = 5.06 ; HLP = 2.46
JibHLU = 6.98 ; HLP = 1.98

GAFFERS
Main total area: 17.12 mē
Gaffer Mainsail
MAE = 8.12, MAH = 3.56,
MAU = 4.60, MAD = 5.58, MAF = 3.90

Larger downwindsail area:
SL / ALE = 6.79, SL / ALU = 7.52,
SHW / AMG = 4.09, SFL / SF = 6.22
Area: 26.93 mē

RATING ( Rc ): 4.0312

Time corrected Factor ( Ftc ): 0.7361

The delivery of a JCH certificate does not have to be understood as the elligibility of the boat to classic regattas.
Elligibility to a specific regatta is governed by the elligibility rules the organizers has decided and have displayed in the Notice of Race.

Certification commission :

Conseil JCH

Date of certificate :

2019-08-06

JCH commission member :

Costalas Peter

Certificate number :

8-069-3007